1 /* 2 * Copyright (c) 2019-2020 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef ARM_COMPUTE_CLPRELULAYER_H 25 #define ARM_COMPUTE_CLPRELULAYER_H 26 27 #include "arm_compute/runtime/CL/ICLOperator.h" 28 #include "arm_compute/runtime/IFunction.h" 29 30 namespace arm_compute 31 { 32 class CLCompileContext; 33 class ICLTensor; 34 class ITensorInfo; 35 36 namespace experimental 37 { 38 /** Basic function to run @ref CLArithmeticOperationKernel for PRELU 39 * 40 * @note The function implements an activation layer with the PRELU activation function. 41 */ 42 class CLPReluLayer : public ICLOperator 43 { 44 public: 45 /** Default Constructor */ 46 CLPReluLayer(); 47 /** Set the input and output tensor. 48 * 49 * @note If the output tensor is a nullptr or is equal to the input, the activation function will be performed in-place 50 * 51 * @param[in] compile_context The compile context to be used. 52 * @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 53 * @param[in] alpha PRelu layer parameters. Data types supported: same of @p input. 54 * @param[out] output Destination tensor. Data type supported: same as @p input 55 */ 56 void configure(const CLCompileContext &compile_context, ITensorInfo *input, ITensorInfo *alpha, ITensorInfo *output); 57 /** Static function to check if given info will lead to a valid configuration of @ref CLPReluLayer 58 * 59 * @param[in] input Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 60 * @param[in] alpha PRelu layer parameters. Data types supported: same of @p input. 61 * @param[in] output Destination tensor info. Data type supported: same as @p input 62 * 63 * @return a status 64 */ 65 static Status validate(const ITensorInfo *input, const ITensorInfo *alpha, const ITensorInfo *output); 66 67 // Inherited methods overridden: 68 void run(ITensorPack &tensors) override; 69 }; 70 } // namespace experimental 71 72 /** Basic function to run @ref CLArithmeticOperationKernel for PRELU 73 * 74 * @note The function implements an activation layer with the PRELU activation function. 75 */ 76 class CLPReluLayer : public IFunction 77 { 78 public: 79 /** Default Constructor */ 80 CLPReluLayer(); 81 /** Default Destructor */ 82 ~CLPReluLayer(); 83 /** Prevent instances of this class from being copied (As this class contains pointers) */ 84 CLPReluLayer(const CLPReluLayer &) = delete; 85 /** Default move constructor */ 86 CLPReluLayer(CLPReluLayer &&); 87 /** Prevent instances of this class from being copied (As this class contains pointers) */ 88 CLPReluLayer &operator=(const CLPReluLayer &) = delete; 89 /** Default move assignment operator */ 90 CLPReluLayer &operator=(CLPReluLayer &&); 91 /** Set the input and output tensor. 92 * 93 * @note If the output tensor is a nullptr or is equal to the input, the activation function will be performed in-place 94 * 95 * @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 96 * @param[in] alpha PRelu layer parameters. Data types supported: same of @p input. 97 * @param[out] output Destination tensor. Data type supported: same as @p input 98 */ 99 void configure(ICLTensor *input, ICLTensor *alpha, ICLTensor *output); 100 /** Set the input and output tensor. 101 * 102 * @note If the output tensor is a nullptr or is equal to the input, the activation function will be performed in-place 103 * 104 * @param[in] compile_context The compile context to be used. 105 * @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 106 * @param[in] alpha PRelu layer parameters. Data types supported: same of @p input. 107 * @param[out] output Destination tensor. Data type supported: same as @p input 108 */ 109 void configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *alpha, ICLTensor *output); 110 /** Static function to check if given info will lead to a valid configuration of @ref CLPReluLayer 111 * 112 * @param[in] input Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 113 * @param[in] alpha PRelu layer parameters. Data types supported: same of @p input. 114 * @param[in] output Destination tensor info. Data type supported: same as @p input 115 * 116 * @return a status 117 */ 118 static Status validate(const ITensorInfo *input, const ITensorInfo *alpha, const ITensorInfo *output); 119 120 // Inherited methods overridden: 121 void run() override; 122 123 private: 124 struct Impl; 125 std::unique_ptr<Impl> _impl; 126 }; 127 } // namespace arm_compute 128 #endif /* ARM_COMPUTE_CLPRELULAYER_H */ 129